Home / 417,921.67-626,961.28-190,234.92

Finding the Fourth Proportional to 417,921.67, 626,961.28 and 190,234.92

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Solution

The fourth proportional to 417,921.67, 626,961.28 and 190,234.92 is: 285,388.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,921.67 : 626,961.28 = 190,234.92 : x
  2. Step 2: Convert to fraction form
    417,921.67/626,961.28 = 190,234.92/x
  3. Step 3: Cross multiply
    417,921.67x = 626,961.28 × 190,234.92
  4. Step 4: Simplify right side
    417,921.67x = 119,269,928,943.90
  5. Step 5: Solve for x
    x = 119,269,928,943.90/417,921.67
  6. Step 6: Final answer
    x = 285,388.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.